aftermovement

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af·ter·move·ment

(af'ter-mūv'ment),
Involuntary arm abduction that follows sustained isometric contraction of the deltoid and supraspinatus muscles (usually performed by pushing the upper extremity forcibly and against an immovable vertical surface while standing beside it).

aftermovement

an involuntary contraction of a muscle that causes a continued movement of a limb after a strong exertion against resistance has stopped. It is often demonstrated in abduction of the arm. Also called Kohnstamm's phenomenon,rebound effect.

aftermovement

(af'ter-moov?ment)
Persistent, spontaneous contraction of a muscle after a strong contraction against resistance has ceased. This is seen when a person forcibly pushes an arm against a wall while standing with the frontal plane perpendicular to the wall. When this is stopped and the person moves away from the wall, the arm abducts involuntarily and is elevated by the deltoid muscle.
Synonym: Kohnstamm phenomenon
References in periodicals archive ?
There is always premovement, movement, and after-movement.
Ultrasound (US) examination (ATL HDI 5000 SonoCT[TM], Philips Medical Systems, Bothell, WA; Figures 1 and 2) of the abdomen revealed generalized free peritoneal and pelvic fluid with a few internal echoes and multiple flimsy, mobile adhesions that displayed after-movement with abdominal pressure.